3D Print Time Estimator
Estimate 3D print time from model height, footprint area, layer height, infill, and print speed — a quick way to compare settings before slicing.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
3D print time estimator
Compare settings before you slice.
Estimated print time
Layers
Bulk-geometry estimate for comparing settings — the slicer's toolpath-aware figure is the one to plan around.
How the 3D Print Time Estimator works
- Enter the model's height and rough footprint area.
- Set layer height, infill and speed — layer height has the largest effect, because it sets the layer count directly.
- Compare two settings before slicing, then let the slicer give the authoritative figure for the one you choose.
The method
Print time is driven mostly by the number of layers, which is height divided by layer height.
layers = height / layer height
Halving layer height doubles the layers and roughly doubles the time, which is why it dominates every other setting.
FAQ
Which setting affects time most?
Layer height, because it sets the layer count directly and every other input scales the same way per layer. Halving layer height (e.g. 0.24 mm to 0.12 mm) exactly doubles the layer count, and roughly doubles the estimated time.
Why is the slicer's estimate different?
Because the slicer knows the actual toolpaths — travel moves, acceleration limits, supports and retractions. This estimate works from footprint area and infill density instead, so treat it as a comparison between settings rather than a prediction.
Does infill matter as much as people think?
Less than expected past about 20%. Beyond that, additional infill adds time and material with diminishing strength return for most parts, and the walls contribute more strength than the infill does.
How we compare
| Feature | Online Tool Store | A notes app | A project suite |
|---|---|---|---|
| No slicing needed | ✓ | ✗ | Slice first |
| Compares settings | ✓ | ✓ | One at a time |
| No install | ✓ | ✗ | ✓ |
| Nothing uploaded | ✓ | Local | ✗ |
3D Print Time Estimator is for comparing settings quickly; the slicer's toolpath-aware figure is the one to plan around.